I want to learn about a disabled how many meters can be walk or cant be walk? And type of disability how effect this? Is there any index for disability accessibility?
these might of use to you on measuring walking but was no sure how help with accessibility index as I was not sure whether you meant to buildings or more widely eg professions etc
C Andersson, W Grooten, M Hellsten, K Kaping and E Mattsson (2003). Adults with cerebral palsy: walking ability after progressive strength training. Developmental Medicine & Child Neurology, , pp 220-228. doi:10.1017/S0012162203000446.
Comparison of the Energy Expenditure Index and Oxygen Consumption Index During Self-Paced Walking in Children with Spastic Diplegia Cerebral Palsy and Children Without Physical Disabilities